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    Perovskite-Based Artificial Multiple Quantum Wells

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    acs.nanolett.9b00384.pdf
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    Type
    Article
    Authors
    Lee, Kwangjae
    Turedi, Bekir cc
    Sinatra, Lutfan cc
    Zhumekenov, Ayan A.
    Maity, Partha
    Dursun, Ibrahim cc
    Naphade, Rounak cc
    Merdad, Noor
    Alsalloum, Abdullah
    Oh, Semi
    Wehbe, Nimer
    Hedhili, Mohamed N. cc
    Kang, Chun Hong
    Subedi, Ram Chandra cc
    Cho, Namchul
    Kim, Jin Soo
    Ooi, Boon S. cc
    Mohammed, Omar F. cc
    Bakr, Osman cc
    KAUST Department
    Chemical Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Core Labs
    Electrical Engineering Program
    Functional Nanomaterials Lab (FuNL)
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Photonics Laboratory
    Physical Science and Engineering (PSE) Division
    Quantum Solutions LLC, Thuwal 23955-6900, Kingdom of Saudi Arabia
    Surface Science
    Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
    Date
    2019-04-22
    Online Publication Date
    2019-04-22
    Print Publication Date
    2019-06-12
    Permanent link to this record
    http://hdl.handle.net/10754/653091
    
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    Abstract
    Semiconductor quantum well structures have been critical to the development of modern photonics and solid-state optoelectronics. Quantum level tunable structures have introduced new transformative device applications and afforded a myriad of groundbreaking studies of fundamental quantum phenomena. However, noncolloidal, III-V compound quantum well structures are limited to traditional semiconductor materials fabricated by stringent epitaxial growth processes. This report introduces artificial multiple quantum wells (MQWs) built from CsPbBr3 perovskite materials using commonly available thermal evaporator systems. These perovskite-based MQWs are spatially aligned on a large-area substrate with multiple stacking and systematic control over well/barrier thicknesses, resulting in tunable optical properties and a carrier confinement effect. The fabricated CsPbBr3 artificial MQWs can be designed to display a variety of photoluminescence (PL) characteristics, such as a PL peak shift commensurate with the well/barrier thickness, multiwavelength emissions from asymmetric quantum wells, the quantum tunneling effect, and long-lived hot-carrier states. These new artificial MQWs pave the way toward widely available semiconductor heterostructures for light-conversion applications that are not restricted by periodicity or a narrow set of dimensions.
    Citation
    Lee KJ, Turedi B, Sinatra L, Zhumekenov AA, Maity P, et al. (2019) Perovskite-Based Artificial Multiple Quantum Wells. Nano Letters. Available: http://dx.doi.org/10.1021/acs.nanolett.9b00384.
    Sponsors
    The authors gratefully acknowledge the financial support provided by King Abdullah University of Science and Technology (KAUST). This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2017R1C1B5017953).
    Publisher
    American Chemical Society (ACS)
    Journal
    Nano Letters
    DOI
    10.1021/acs.nanolett.9b00384
    Additional Links
    https://pubs.acs.org/doi/10.1021/acs.nanolett.9b00384
    https://pubs.acs.org/doi/pdf/10.1021/acs.nanolett.9b00384
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.nanolett.9b00384
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Chemical Science Program; Material Science and Engineering Program; Photonics Laboratory; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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